China Unicom (Mandu Office)

China Mobile

OPPO Guanfang Authorization Experience Branch (Huai'an Huaiyin Fukang Chengbo Yuehui Shop)

China Telecom (Huaihai North Road Branch)

Eshidai Digital iQOO Authorization Shop (Chengde Fu Shop)

China Unicom (Huai'an Huaiyin Wangying Zhenfu Sheng Unit Office)